DS3231 RTC Breakout–Real Time Clock (RTC) Breakout Module
The DS3231 RTC Breakout features the DS3231, an extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.
The DS3231 maintains precise timekeeping, with an accuracy of ±2ppm from 0°C to +40°C and ±3.5ppm from -40°C to +85°C, making it ideal for applications where reliable timekeeping is essential.
The module includes a battery backup input to ensure continuous operation even during power interruptions. With its I2C interface, the DS3231 easily integrates with microcontrollers. Additional features include two programmable alarms, a square-wave output, a reset function, and a built-in temperature sensor.
Features :
- Real-time clock tracks seconds, minutes, hours, day, date, month, and year
- Leap-year compensation valid up to 2100
- Accuracy: ±2ppm (0°C to +40°C), ±3.5ppm (-40°C to +85°C)
- Battery backup for uninterrupted timekeeping
- I2C interface
- Two programmable time-of-day alarms
- Programmable square-wave output
- Low power consumption
- Operating voltage: 2.3V to 5.5V
Specifications :
| Operating Voltage | 2.3 to 5.5V (3.3 or 5V typical) |
| Current Consumption | < 300µA (typ.) |
| Accuracy (0-40°C) | ± 2ppm |
| Battery | CR2032 (3V Coin) |
DS3231 RTC Breakout Pinout :
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